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Minecraft Java 1.21 Mods

Browse 1,679 free mods for Minecraft Java 1.21 — popular picks include Fully Foliage!, Magnetism mod, Cool blocks.

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Fully Foliage!
1.21.8neoforge

Fully Foliage!

Adds over 40 new plants to MINECRAFT, along with three woodsets, and more!

102downloads
Magnetism mod
1.21fabric

Magnetism mod

Adds magnetic mechanics to Minecraft, including item attraction, entity repulsion, and electromagnetic tools and blocks. Fun and useful for automation and exploration.

102downloads
Cool blocks
1.21.1neoforge

Cool blocks

adds some cool custom blocks to minecraft

102downloads
Builder - Ai
1.2.1

Builder - Ai

🧠 AI Builds Turn imagination into reality. Let AI build structures directly in your Minecraft world using Gemini or Claude.

101downloads
Disaster SMP
1.21

Disaster SMP

DMSP (Disaster Management System Plugin)Cinematic Natural Disasters for PaperMC 1.21+DMSP is not just a plugin; it's an environmental overhaul designed to challenge even the most seasoned survivalists.

101downloads
Warped Wart
1.21.10fabric

Warped Wart

Adds Warped Wart as a counterpart to Nether Wart (now Crimson Wart).

101downloads
Simple Structures
1.13

Simple Structures

Adds simple vanillia-friendly structures!

100downloads
PLASTIC CRAFT
1.21.1neoforge

PLASTIC CRAFT

A unique expansion that introduces versatile plastic materials, custom building blocks, and tools to upgrade your Minecraft survival experience.

100downloads
Advanced Crafting
1.21.8

Advanced Crafting

This datapack allows players to craft items in Survival mode that are normally only available in Creative mode or cannot normally be obtained. Instead of needing to ask a server owner or administrator to give you these items

100downloads
Better Adventure Mode
1.21.11fabric

Better Adventure Mode

This mod turns your survival mode into the ultimate adventure mode, built for exploration instead of creation.

100downloads
Deep Winter
1.21.4neoforge

Deep Winter

Deep Winter is a mod that adds a post-apocalyptic winter theme.

100downloads
Lumineth [Abandoned]
1.21.1

Lumineth [Abandoned]

A Datapack in which you start on a brand new dimension to explore from cero! A whole new world with new mechanics, structures, items and mobs!

100downloads
TheConstant
1.21.10fabric

TheConstant

A Fabric mod that channels Don’t Starve–style hardcore survival into Minecraft: manage health, hunger, and sanity; survive seasons, temperature, darkness, and food spoilage with crock-pot cooking and recipe planning.

98downloads
Come Home
1.21.8fabric

Come Home

A mod that teleports you home.

98downloads
Project Tiger
1.21.8neoforge

Project Tiger

This is a light weight w.i.p mod with new buildings and blocks

98downloads
Santiago
1.21.5fabric

Santiago

Santiago's mod, with thematic items and a complete in-game python script runner!

98downloads
One Life [NanoVirus]
1.21.5

One Life [NanoVirus]

You have only one life (Like in hardcore) but also after your death a corpse is spawn (Last thing that they will have after you)

98downloads
LinkingBook
1.16

LinkingBook

Teleport between dimensions using a special Linking Book.

98downloads
DRdung
1.16

DRdung

Plugin for custom dungeons with resources

97downloads
Cherry Cabins
1.21.5

Cherry Cabins

Adds a trans-themed cabin inhabited by a unique vendor! :3

97downloads
SeeMoreNext
1.19

SeeMoreNext

Per-player server view distance optimization based on client settings. Fork of SeeMore maintained for Paper 1.19-26.2 and Folia.

96downloads
Ars Dragongate
1.21.1neoforge

Ars Dragongate

Locks Ars Nouveau (and its addons) content behind defeating the Ender Dragon.

96downloads
Eternals
1.21.8neoforge

Eternals

Adds various rpg like items and mechanics in order to turn minecraft into my ideal game so if anyones interested in trying it out feel free to download :)

96downloads
Whispers of the Pale Garden
1.21.4neoforge

Whispers of the Pale Garden

a mod that adds various new additions to the pale garden biome. you can report bugs in the discord server.

96downloads
ISleep
1.13

ISleep

Sleep anywhere, anytime - Control explosions in all dimensions

96downloads
No Ore/removal of ore
1.21.5fabric

No Ore/removal of ore

this mod does not reduce ore, it completely removes all ore from the game; from diamonds to nether quartz

96downloads
SkyBlock But Better!
1.21.4

SkyBlock But Better!

Vanilla Friendly Challenge!

96downloads
The Dungeon Experience
1.21.1neoforge

The Dungeon Experience

Adds content from Minecraft Dungeons in a pretty vanilla way.

95downloads
Better Navigation
1.21.1fabric

Better Navigation

I created this mod that player, no longer to press F3 to navigate preventing to ruining of their exploration experiences.

95downloads
Cheapapple the Rock!
1.21.11fabric

Cheapapple the Rock!

Adds Bocchi but as a litteral rock... and some skeleton memes

95downloads
Survival Nerf
1.21.4

Survival Nerf

Minimalistic vanilla-flavored design and balance overhaul. Mostly reverting bad decisions the devs have made. Intended for use with Etomb's Better Survival modpack.

95downloads
Temporary Worlds
1.21

Temporary Worlds

Create and destroy worlds on the fly

95downloads
Bunny's Structures
1.21

Bunny's Structures

Various vanilla-friendly structures for Minecraft.

95downloads
Everything Expanded
1.21.4neoforge

Everything Expanded

Expanding upon nearly every aspect of the game with various additions. Made with MCreator

94downloads
MobTwist
1.17

MobTwist

MobTwist is a Minecraft server plugin that allows you to toggle and manage mob replacement on your server. With MobTwist, you can block specific players, configure which mobs are ignored for replacement, and enable or disable mob replacement entirely.

94downloads
Schematicon
1.21.1neoforge

Schematicon

A creative planning dimension for builders. Switch from survival to creative and back with fully separate inventories and no balance disruption.

92downloads